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PHONE NUMBER PREFIXES IN THE 312 AREA CODE

Thousand digits 312-929 Area Code & Prefix

(312) 929-0xxx
(312) 929-1xxx
(312) 929-2xxx
(312) 929-3xxx
(312) 929-4xxx
(312) 929-5xxx
(312) 929-6xxx
(312) 929-7xxx
(312) 929-8xxx
(312) 929-9xxx